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MSEW--Mechanically Stabilized Earth Walls Soundview Business Center <br /> Present?nTme Tue Oct 13 13:59:05 2015 CAUs—\hcnry wrightWocumenIAMSEW Fiies\4011 Lni,\17 33 Foot BEN <br /> SOIL DATA <br /> REINFORCED SOIL <br /> Unit weight, y 125.0 lb/ft 3 <br /> Design value of internal angle of friction, 32.00 <br /> RETAINED SOIL <br /> Unit weight, y 125.0 lb/ft 3 <br /> Design value of internal angle of friction, 32.00 <br /> FOUNDATION SOIL(Considered as an equivalent uniform soil) <br /> Equivalent unit weight, Y,,i, 125.0 lb/ft 3 <br /> Equivalent internal angle of friction, 32.00 <br /> Equivalent cohesion, C equiv 0.0 lb/ft 2 <br /> Water table does not affect bearing capacity <br /> LATERAL EARTH PRESSURE COEFFICIENTS <br /> Ka(internal stability)=0.3073 (if batter is less than 101,Ka is calculated from eq. 15. Otherwise,eq.38 is utilized) <br /> Inclination of internal slip plane, W=61.000 (see Fig.28 in DEMO 82). <br /> Ka(external stability)=0.3073 (if batter is less than 100,Ka is calculated from eq. 16. Otherwise,eq. 17 is utilized) <br /> BEARING CAPACITY <br /> Bearing capacity coefficients(calculated by MSEW): Ne=35.49 N y=30.21 <br /> SEISMICITY <br /> Maximum ground acceleration coefficient,A=0.300 <br /> Design acceleration coefficient in Internal Stability: Kh=Am=0.345 <br /> Design acceleration coefficient in External Stability: Kh d=0.165 => Kh=Am=0.212 <br /> (Kh in External Stability is based on allowable displacement, d=25 mm.using AASHTO 2002 equation) <br /> Kae(Kh>0)=0.4130 Kae(Kh=0) =0.2705 A Kae 0.1424 <br /> Seismic soil-geogrid friction coefficient,F* is 80.0%of its specified static value. <br /> Soundview Business Center Page 2 of 5 <br /> Copyright CU 1998-2011 ADAMA Hngineering,Inc. License number MLNL-301[09 <br />